Extreme Hold is the latest and greatest in silicone adhesive technology. This is our first true maximum hold silicone adhesive. You can expect a 4+ week hold time. It’s great for all types of units. It’s also medically tested skin safe. Compare to No-Tape. Hold Maximum Wear (3-5 weeks) adhesives are the longest lasting adhesives we make. Depending on temperature, humidity, and body oils, they can last up to six weeks. Usually the most tacky, they require more skill to apply. Available Sizes: Brush-on .5 oz Brush-on 1.4 oz Squeeze Bottle 4 oz Pint (16 oz)